updated tables
Merge pull request #169 from yousraHazem/update_tables

updated tables
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Merge pull request #171 from yousraHazem/c1_sama_delete_group

fff
alter tables
Merge pull request #181 from yousraHazem/yasmin_tables

alter tables
final db
Merge pull request #182 from yousraHazem/c1_donia_update

final db
Merge branch 'master' into c1_may_guest_view_communities
view communities testController#162
method plus controlTest